Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version |
Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
Ref | Expression |
---|---|
elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
Ref | Expression |
---|---|
elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
2 | 1 | elrab 3682 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
3 | 2 | baib 538 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1537 ∈ wcel 2114 {crab 3144 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-rab 3149 df-v 3498 |
This theorem is referenced by: unimax 4876 fnelfp 6939 fnelnfp 6941 fnse 7829 fin23lem30 9766 isf32lem5 9781 negn0 11071 ublbneg 12336 supminf 12338 sadval 15807 smuval 15832 dvdslcm 15944 dvdslcmf 15977 isprm2lem 16027 isacs1i 16930 isinito 17262 istermo 17263 subgacs 18315 nsgacs 18316 odngen 18704 sdrgacs 19582 lssacs 19741 mretopd 21702 txkgen 22262 xkoco1cn 22267 xkoco2cn 22268 xkoinjcn 22297 ordthmeolem 22411 shft2rab 24111 sca2rab 24115 lhop1lem 24612 ftalem5 25656 vmasum 25794 israg 26485 ebtwntg 26770 eupth2lem3lem3 28011 eupth2lem3lem4 28012 eupth2lem3lem6 28014 cycpmco2lem1 30770 cycpmco2lem4 30773 cycpmco2 30777 tgoldbachgt 31936 cvmliftmolem1 32530 neibastop3 33712 fdc 35022 pclvalN 37028 dvhb1dimN 38124 hdmaplkr 39051 diophren 39417 islmodfg 39676 fsovcnvlem 40366 ntrneiel 40438 radcnvrat 40653 supminfxr 41747 stoweidlem34 42326 |
Copyright terms: Public domain | W3C validator |